/Engine/Plugins/Runtime/MeshModelingToolset/Source/ModelingComponents/Public/MeshOpPreviewHelpers.h
FBackgroundDynamicMeshComputeSource is an instantiation of the TBackgroundModelingComputeSource template for FDynamicMeshOperator / IDynamicMeshOperatorFactory
typedef [UE::Geometry::TBackgroundModelingComputeSource](API\Plugins\ModelingOperators\TBackgroundModelingComputeSource)< [UE::Geometry::FDynamicMeshOperator](API\Plugins\ModelingOperators\FDynamicMeshOperator), [UE::Geometry::IDynamicMeshOperatorFactory](API\Plugins\ModelingOperators\IDynamicMeshOperatorFactory) > FBackgroundDynamicMeshComputeSource